Shower drain



FIG. 1 is an exploded, perspective view of a first embodiment of a shower drain;

FIG. 2 is a top view of the shower drain of FIG. 1;

FIG. 3 is an exploded, perspective view of a second embodiment of a shower drain; and,

FIG. 4 is a top view of the shower drain of FIG. 3.

The dashed broken lines in the drawings illustrate portions of the shower drain and environmental subject matter that form no part of the claim. The shower drain is shown with symbolic breaks in its length. The appearance of any portion of the shower drain between the break lines forms no part of the claim. 

CLAIM The ornamental design for a shower drain, as shown and described. 